It was found that the catalytic degradation of acid violet red B on the Pd/Fe and the zero-valent iron follow the first-order kinetics and the rate constant on Pd/Fe is higher than that on the conventional iron powder,

• 实验表明；酸性紫红B的零价铁及钯/铁催化还原降解均遵守一级动力学；且钯/铁的反应速率常数较普通铁粉有明显增大.